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The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.
Life Sciences in Space Research is a quarterly peer-reviewed scientific journal covering astrobiology, origins of life, life in extreme environments, habitability, effects of spaceflight on the human body, radiation risks, and other aspects of life sciences relevant in space research. It was established in 2014 and is published by Elsevier.
In 2010, a criticism was voiced pointing toward certain deficiencies of the journal impact factor calculation process, based on Thomson Reuters Web of Science, such as: journal citation distributions usually are highly skewed towards established journals; journal impact factor properties are field-specific and can be easily manipulated by ...
Progress in Human Geography is a bimonthly peer-reviewed academic journal that covers the field of human geography, primarily publishing critical reviews of current research. The journal's editor-in-chief is Noel Castree. It was established in 1977 at Edward Arnold and is currently published by SAGE Publications.
Journals with a lower impact (e.g. PLOS ONE, impact factor 3.1) publish many papers that are cited 0 to 5 times but few highly cited articles. [21] Journal-level metrics are often misinterpreted as a measure for journal quality or article quality. However, the use of non-article-level metrics to determine the impact of a single article is ...
Human presence in space at its beginnings, was fueled by the Cold War and its outgrowing the Space Race. During this time technological, nationalist, ideological and military competition were dominant driving factors of space policy [71] and the resulting activity and, particularly direct human, presence in space.
Ambio: A Journal of Environment and Society is a monthly peer-reviewed scientific journal published by Springer Science+Business Media on behalf of the Royal Swedish Academy of Sciences. It was established in 1972. [1] The editor-in-chief is Bo Söderström (Royal Swedish Academy of Sciences). [2]
They estimate a human population of between 30,000 and 50,000 during the cultural peak of the city, from 750 to 850 AD. [4] Additionally, researchers believe that Valeriana's social structure and urban density may indicate a highly diverse, organised society in which its residents regularly interacted with their rural neighbours.